In 1960, New York City banned lead paint from residential housing. Today across the city, the city Housing Authority estimates there are still 55,000 aging apartments that likely contain lead paint, including 10,000 where children under six live.

Below is a map breaking down how many positive lead paint hits showed up in specific buildings in NYCHA developments. Search by development name or zoom to a development, then click on specific addresses to see what NYCHA found when they tested for lead paint.